{"copyright_id":"0x2d5b695f1af91f289ea31fa22524e55dc7e13b8ac88741fde3bdea322b673785","isrc":"USB8U1612647","name":"Sonata for Piano 4 Hands in C Major, K. 521: III. Allegretto","registered_at":"2026-07-31T11:14:21Z","spotify_id":"6qgm59jOLUqwDaPQvq7nY8","type":"track"}